stream累加 stream计算list求和
DataInputStream类 如何获取当前读取位置的偏移量
file 文件 open 开始 end 关闭没看到 API 上提到当前位page=c.page;置是如何读取的，一般流式作也不支持这个，需要知道位置的只有随机访问的 API。你尝试用 ailable() 方法得到当前有多少字符可读取到，在准备读取前和读取后比较两个值的变化或者你自己在 int count = input.read(byte[]) 后把 count 累加起来也就是当前位置了。我没试过，你测试一下可行不。
stream累加 stream计算list求和
stream累加 stream计算list求和
stream累加 stream计算list求和
ja中如何用stream将一个文档里的内容写到新的文档中
import ja.io.BufferedInputStream;
import ja.io.BufferedOutputStrbool iale;eam;
import ja.io.BufferedReader;
import ja.io.File;
import ja.io.FileInputStream;
import ja.io.FileNotFoundException;
import ja.io.FileOutputStream;
import ja.io.IOException;
import ja.io.InputStreamReader;
import ja.io.PrintWriter;
public class TestCopy {
public static void main(String[] args) throws IOException {
//原始文档路径
String old = "D:/b.txt";
//新文档路径
String newPath = "D:/a.txt";
//将原始文档通过输入流读入内存
BufferedInputStream bis = new BufferedInputStream(fis);
InputStreamReader isr = new InputStreamReader(bis);
BufferedReader br = new BufferedReader(isr);
String temp;
//通过输出流将内存中的数据写出到新的文档
FileOutputStream fos = new FileOutputStream(new File(newPath),false);//设置为false表示每次执行不累加内容到a.txt，true表示累加内容到a.txt
BufferedOutputStream bw = new BufferedOutputStream(fos);
PrintWriter pw = new PrintWriter(bw);
while((temp= br.readLine())!=null){
}if(pw!=null){
pFileInputStream fis = new FileInputStream(new File(old));w.close();
}}
}这个是将b.txt的内容写到a.txt文件里，不知你想要写的文件是什么格式的？
这相当于一个文件的过程，可以按照如下的代码进行编写：
package com.test;
import ja.io.FileInputStream;
import ja.io.FileNotFoundException;
import ja.io.FileOutputStream;
import ja.io.IOException;
public class Test {
public static void main(String[] args) {
int b = 0;
FileInputStream in = null;
FileOutputStream out = null;
try{
// 源文件路径
in = new FileInputStream("D:text.txt");
// 结果文件路径
out = new FileOutputStream("E:copytext.txt");
while((b = in.read()) != -1){
out.write(b);
}in.close();
out.close();
}catch(FileNotFoundException e1){
System.out.println("file is not found!");
System.exit(-1);
}catch(IOException e2){
System.out.println("文件错误！！");
System.exit(-1);
}System.out.println("文件成功了~~！");
}}
ja中如何用stream将一个文档里的内容写到新的文档中
FileInputStream fis = new FileInputStream(new File(old));import ja.io.BufferedInputStream;
import ja.io.BufferedOutputStream;
import ja.io.BufferedReader;
import ja.io.File;
import ja.io.FileInputStream;
import ja.io.FileNotFoundException;
import ja.io.FileOutputStream;
import ja.io.IOException;
import ja.io.Is4.ShowNum();nputStreamReader;
import ja.io.PrintWriter;
public class TestCopy {
public static void main(String[] args) throws IOException {
//原始文档路径
String old = "D:/b.txt";
//新文档路径
String newPath = "D:/a.txt";
//将原始文档通过输入流读入内存
BufferedInputStream bis = new BufferedInputStream(fis);
InputStreamReader isr = new InputStreamReader(bis);
BufferedReader br = new BufferedReader(isr);
String temp;
//通过输出流将内存中的数据写出到新的文档
FileOutputStream fos = new FileOutputStream(new File(newPath),false);//设置为false表示每次执行不累加内容到a.txt，true表示累加内容到a.txt
BufferedOutputStream bw = new BufferedOutputStream(fos);
PrintWriter pw = new PrintWriter(bw);
while((temp= br.readLine())!=null){
}if(pw!=null){
pw.close();
}}
}这个是将b.txt的内容写到a.txt文件里，不知你想要写的文件是什么格式的？
这相当于一个文件的过程，可以按照如下的代码进行编写：
package com.test;
import ja.io.FileInputStream;
import ja.io.FileNotFoundException;
import ja.io.FileOutputStream;
import ja.io.IOException;
public class Test {
public static void main(String[] args) {
int b = 0;
FileInputStream in = null;
FileOutputStream out = null;
try{
// 源文件路径
in = new FileInputStream("D:text.txt");
// 结果文件路径
out = new FileOutputStream("E:copytext.txt");
while((b = in.read()) != -1){
out.write(b);
}in.close();
out.close();
}catch(FileNotFoundException e1){
System.out.println("file is not found!");
System.exit(-1);
}catch(IOException e2){
System.out.println("文件错误！！");
System.exit(-1);
}System.out.println("文件成功了~~！");
}}
ja编程：用户从键盘上输入10个数，分别统计正数、负数、零的个数、平均值、累加和。
}oprator = (CStudent& student)这种题目也只有我们这些小菜鸟会理你了。素数楼上已经帮你写好了。我写了标题那个。有点多，不过挺好理解的我觉得。试过了能运行。
{public:package myTest;
import ja.io.BufferedReader;
import ja.io.IOException;
import ja.io.InputStream;
import ja.io.InputStreamReader;
import ja.util.ArrayList;
class test
{public static void main(String[] args) throws IOException
{System.out.println("请输入您需要统计的数据，逗号隔开");
BufferedReader buf = new BufferedReader(new InputStreamReader(System.in));
String[] st = buf.readLine().trim().split(",");
ArrayList
ArrayList
int sum=0;
double g=0;
int zeroNum=0;
for(int i=0;i int number=Integer.parseInt(st[i]); if(number>0){ itive.add(number); }if(number<0){ negtive.add(number); }if(number==0){ zeroNum++; }sum+=number; }g=sum1.0/st.length; System.out.println("正数为："); for (int i=0;i System.out.print(itive.get(i)+"t"); }System.out.println(); System.out.println("负数为："); for (int i=0;i System.out.print(negtive.get(i)+"t"); }System.out.println(); System.out.println("零的个数为："+zeroNum); System.out.println("和为："+sum); System.out.println("平均数为："+g); }} 判断素数 boolean isSushu（int num）｛ boolean bl=true; for(int i=2;i if(num%i==0){ bl=false;} }return bl; ｝ 完全按原题要求编写的程序如下，dev-c++和vs2005下编译通过。 #include using namespace std; const double PI=3.1415926; class CPerson{//定义抽象类 static int m_sCount;//定义静态累加器 virtual double Getdata()=0;//声明纯虚函数 CPe}double Getdata()//重新定义基类中的纯虚函数rson() }~CPerson() {m_sCount--; }void static ShowNum(){//定义静态成员函数 cout< }}; int CPerson::m_sCount = 0;//静态数据成员初始化 class CStudent:public CPerson{//公用继承 CStudent(double Cost=0.0):cost(Cost){}; CStudent(CStudent &s)//定义拷贝构造函数 {cost=s.cost; }void operator=(CStudent &s)//重载赋值运算符 {cost=s.cost; {return cost; }protected: double cost; }; class CTeacher:public CPerson{ CTeacher(double Page=0.0):page(Page){}; CTeacher(CTeacher &c)//定义拷贝构造函数 {page=c.page; }void operator=(CTeacher &c)//重载赋值运算符 {page=c.page; {return page; }protected: double page; }; class CStudentTeacher: public CStudent, public CTeacher{//多重继承 CStudentTeacher(double Cost, double Page,int Age):CStudent(Cost),CTeacher(Page),age(Age){}; CStudentTeacher(CStudentTeacher &c)//定义拷贝构造函数 {age=c.age; cost=c.cost; }void operator=(CStudentTeacher &c)//重载赋值运算符 {age=c.age; cost=c.cost; }void Showdata() {cout<<"Age and Cost and Page per month of new person is "< }private: int age; }; int main() {CStudent s1(600.0); s1.ShowNum(); cout<<"Cost per month of new person is "< CStudent s2(s1); s2.ShowNum(); cout<<"Cost per month of new person is "< CStudent s3=s1; s3.ShowNum(); cout<<"Cost per month of new person is "< CTeacher c1(1500.0); c1.ShowNum(); cout<<"Page per month of new person is "< CTeacher c2(c1); c2.ShowNum(); cout<<"Page per month of new person is "< CTeacher c3=c1; c3.ShowNum(); cout<<"Page per month of new person is "< CStudentTeacher s4(500.0,1000.0,25); CPerson::m_sCount--; s4.Showdata(); CStudentTeacher s5(s4); CPerson::m_sCount--; s5.ShowNum(); s5.Showdata(); CStudentTeacher s6=s4; CPerson::m_sCount--; s6.ShowNum(); s6.Showdata(); ("pause"); return 0; } #include #include using namespace std; class CPerson CPerson(){m_sCount++;} static int ShowNum(); void get(); void put(); protected: string name; string ; int age; static int m_sCount; }; int CPerson::m_sCount=0; int CPerson::ShowNum(){return m_sCount;} void CPerson::get(){cin>>name>>>>age;return;} void CPerson::put(){cout< void gets(){cin>>number;return;} void puts(){cout<<" "< protected: string number; //学号 }; class CTeacher: virtual public CPerson void gett(){cin>>subject;return;} void putt(){cout<<" "< protected: string subject; //教师所教科目 }; class CStudentTeacher:public CStudent,public CTeacher CStudentTeacher():CPerson(){} friend istream& operator >>(istream&,CStudentTeacher&); friend ostream& operator <<(ostream&,CStudentTeacher&); }; istream& operator >>(istream& input,CStudentTeacher& obj) { obj.get();obj.gets();obj.gett(); return input;} ostream& operator <<(ostream& output,CStudentTeacher& obj) { obj.put();obj.puts();obj.putt(); return output;} int main() {CStudentTeacher obj; cin>>obj; cout< cout< return 0; } #define PI 3.14 #include //抽象类 class CShape virtual float GetArea() =0 ;//纯虚函数 static int m_sCount ; CShape() {++m_sCount ; }static int ShowNum() {return m_sCount ; }}; class CSquare:public CShape {private: float m_Length; float GetArea() {return m_Length m_Height ; }} class CCircle:public CShape {public float GetArea() {return PI r r ; }} 写不动了 参见 class CPerson CString name; CString age; static int m_sCount; CPerson() {m_sCount = 0; }static int ShowNum() {return m_sCount; }}; class CStudent : public CPerson CStudent() {CPerson::m_sCount++; }CStudent(CStudent& student) {this.name = student.name; this.age = student.age; {this.name = student.name; this.age = student.age; }}; class CTeacher :public CPerson CTeacher() {CPerson::m_sCount++; }CTeacher(CTeacher& teacher) {this.name = teacher.name; this.age = teacher.age; }}; class CStudentTeacher : public CStudent,public CTeacher {//自己根据需要再写写吧 } 功能不全，转载过来的。凑合着看吧，不要太紧张，好运！ 定义一个人员类CPerson,包括数据成员：姓名、编号、{operator << (out,dynamic_cast #include using std::cout; using std::cin; using std::endl; using std::ostream; using std::istream; class CPerson {private: enum { MaxSize = 10 }; char name[MaxSize]; char ID[MaxSize]; friend istream & operator >> (istream &in, CPerson &p); friend ostream & operator << (ostream &out,const CPerson &p); }; ostream & operator << (ostream &out,const CPerson &p) {cout << "name:" << p.name << "t" << "id:" << p.ID << "t" << ":" << (p.iale?"male":"female") ; return out; }istream & operator >> (istream &in, CPerson &p) {cout << "Please input the namen" ; in.getline(p.name,CPerson::MaxSize); cout << "Please input the idn" ; cout << "Please input the [male:1 female:0]:n" ; in >> p.iale ; return in; }class CStudent:public CPerson {private: double score; friend istream & operator >> (istream &in, CStudent &p); friend ostream & operator << (ostream &out,const CStudent &p); }; istream & operator >> (istream &in, CStudent &p) {operator >> (in, dynamic_cast cout << "Please input the scoren"; in >> p.score; return in; }ostream & operator << (ostream &out,const CStudent &p) out << "tthe score is:" << p.score; return out; }class CTeacher:public CPerson {private: int age; friend istream & operator >> (istream &in, CTeacher &p); friend ostream & operator << (ostream &out,const CTeacher &p); }; istream & operator >> (istream &in, CTeacher &p) {operator >> (in, dynamic_cast cout << "Please input the agen"; in >> p.age; return in; }ostream & operator << (ostream &out,const CTeacher &p) out << "tthe age is:" << p.age; return out; }void flushcin(istream &in) //清空输入流中的字符 {in.clear(); while ( in.get() != 'n' ) continue; }int main() {CPerson a; cin >> a; cout << a << endl; flushcin(cin); CStudent b; cin >> b; flushcin(cin); CTeacher c; cin >> c; cout << c << endl; return 0; } 想不出就别想了。闭上眼休息一下吧。考前不能这么紧张的。估计这种题在这么短的时间里想在这里找到很难。 编程序常用英语单词部分： 1、Compile:编绎 一、编程：设计具备逻辑流动作用的一种“可控体系”【注：编程不一定是针对计算机程序而言的，针对具备逻辑计算力的体系，都可以算编程。】 二、编程是编写程序的中文简称，就是让计算机代为解决某个问题，对某个计算体系规定一定的运算方式，使计算体系按照该计算方式运行，并最终得到相应结果的过程。 三、为了使计算机能够理解人的意图，人类就必须将需解决的问题的思路、方法和手段通过计算机能够理解的形式告诉计算机，使得计算机能够根据人的指令一步一步去工作，完成某种特定的任务。这种人和计算体系之间交流的过程就是编程。 参考资料： 1、Compile:编绎2、Run:运行3、Class:类4、Object:对象5、System:系统6、out:输出7、print:打印8、line:行9、variable:变量10、type:类型11、static:静态的12、array:数组13、parameter:参数14、mod:方法15、function:函数16、public:公有的17、default:默认18、get:得到19、private:私有的20、import:导入21、set:设置22、package:包23、access:访问24、protected:受保护的25、void:无(返回类型)26、operation:作运算27、member-variable:成员变量28、member-function:成员函数29、extends:继承 base class:基类 parent class:父类30、intece:接口 child class:子类 super class:超类31、overload:重载 abstract:抽象 exception:异常32、implements:实现 Runtime:运行时33、derived class:派生类34、override:重写覆盖35、final:最终的不能改变的 编程说白了, 就是你用计算机的语言将你要表达的东西翻译给计算机....关键在于你该怎样设计你要表达的东西... 只会做翻译, 就相当于只会干体力活... 对于设计,只要你有良好的数学思维能力, 那就肯定没问题... 常用的语句那是肯定要记住的,这是最基础的, 而且光记住还不行, 还要搞懂每条语句的功能, 用法..... 工具到不需要什么, 只要一个编译器 , 如turboc2.0 win-tc 之类的, 有了编译器 你可以先自己尝试编一些简单的程序,.< 汗,谁说的. 编程里面是有英文没有错,但是他们都是固定了的,你多练就可以了.晕,什么叫他的英语成绩想下来都下来.汗.这句话,得离谱,编程里面的英语和你们学英语的数量占多少.编程里面的英语来来去去也只有那几十个关键字还有一些代码,再加上你们学的英语应该是日常用语单词都可以上千.难道你们考试是考计算机英语,而且是来来去去就考编程里面的那几十个单词,而计算机编程里面用的是计算机英语.根本就不同. 楼主他那在吹,你信他个P呀.就是为了你让嫉妒< 变成程序常用的英语单词是marker马赛 我建议你看一下原版的教程，比如Thinking in Ja 看一本下来，然后你记录那些你不会的单词 自己查电脑！ 开几个主流的开发软件一个一个翻译。完了就不多了 in，因为树木丰茂，所以看起来是“在里面”。类似的有in the bed 用on 因为苹果是长在树上的，长在树上的用on，而不长在树上的用in,例如，鸟，鸡等 是用on，不是用in 凡事本来长在树上的，都是on ；不是长在树上的，如鸟等，才用in。错不了，错了我负责。 交你一个很好的记忆“东西长在树上是用on还是in”的方法吧：苹果是整体看起来是圆圆的，所以用on，因为on中有个O像苹果一样圆圆的，所以要用ocout << b << endl;n。 树构成了一个空间，进入它就用“in”。 而作为构成空间的一部分（如苹果树上的苹果）用on。 苹果是一个果子，结在树枝上的，所以用on,并没有长到树的内里面去，所以不用in. 如果说一只猫在树上，为什么就用in了呢？想象一下，一只猫，在树上，肯定是在茂密的树叶从中，远看就是猫淹没在树丛里面了的感觉，鸟也一样，因此都用in. 树上长的,属于数的用on. 落在树上用的（如鸟等）用in on,凡事本来长在树上的，都是on .外来物用in 树上长的,属于数的用on. 落在树上用的（如鸟等）用in 完全按原题要求编写的程序如下，dev-c++和vs2005下编译通过。 #include using namespace std; const double PI=3.1415926; class CPerson{//定义抽象类 static int m_sCount;//定义静态累加器 virtual double Getdata()=0;//声明纯虚函数 CPerson() }~CPerson() {m_sCount--; }void static ShowNum(){//定义静态成员函数 cout< }}; int CPerson::m_sCount = 0;//静态数据成员初始化 class CStudent:public CPerson{//公用继承 CStudent(double Cost=0.0):cost(Cost){}; CStudent(CStudent &s)//定义拷贝构造函数 {cost=s.cost; }void operator=(CStudent &s)//重载赋值运算符 {cost=s.cost; {return cost; }protected: double cost; }; class CTeacher:public CPerson{ CTeacher(double Page=0.0):page(Page){}; CTeacher(CTeacher &c)//定义拷贝构造函数 {page=c.page; }void operator=(CTeacher &c)//重载赋值运算符 {page=c.page; {return page; }protected: double page; }; class CStudentTeacher: public CStudent, public CTeacher{//多重继承 CStudentTeacher(double Cost, double Page,int Age):CStudent(Cost),CTeacher(Page),age(Age){}; CStudentTeacher(CStudentTeacher &c)//定义拷贝构造函数 {age=c.age; cost=c.cost; }void operator=(CStudentTeacher &c)//重载赋值运算符 {age=c.age; cost=c.cost; }void Showdata() {cout<<"Age and Cost and Page per month of new person is "< }private: int age; }; int main() {CStudent s1(600.0); s1.ShowNum(); cout<<"Cost per month of new person is "< CStudent s2(s1); s2.ShowNum(); cout<<"Cost per month of new person is "< CStudent s3=s1; s3.ShowNum(); cout<<"Cost per month of new person is "< CTeacher c1(1500.0); c1.ShowNum(); cout<<"Page per month of new person is "< CTeacher c2(c1); c2.ShowNum(); cout<<"Page per month of new person is "< CTeacher c3=c1; c3.ShowNum(); cout<<"Page per month of new person is "< CStudentTeacher s4(500.0,1000.0,25); CPerson::m_sCount--; s4.Showdata(); CStudentTeacher s5(s4); CPerson::m_sCount--; s5.ShowNum(); s5.Showdata(); CStudentTeacher s6=s4; CPerson::m_sCount--; s6.ShowNum(); s6.Showdata(); ("pause"); return 0; } #include #include using namespace std; class CPerson CPerson(){m_sCount++;} static int ShowNum(); void get(); void put(); protected: string name; string ; int age; static int m_sCount; }; int CPerson::m_sCount=0; int CPerson::ShowNum(){return m_sCount;} void CPerson::get(){cin>>name>>>>age;return;} void CPerson::put(){cout< void gets(){cin>>number;return;} void puts(){cout<<" "< protected: string number; //学号 }; class CTeacher: virtual public CPerson void gett(){cin>>subject;return;} void putt(){cout<<" "< protected: string subject; //教师所教科目 }; class CStudentTeacher:public CStudent,public CTeacher CStudentTeacher():CPerson(){} friend istream& operator >>(istream&,CStudentTeacher&); friend ostream& operator <<(ostream&,CStudentTeacher&); }; istream& operator >>(istream& input,CStudentTeacher& obj) { obj.get();obj.gets();obj.gett(); return input;} ostream& operator <<(ostream& output,CStudentTeacher& obj) { obj.put();obj.puts();obj.putt(); return output;} int main() {CStudentTeacher obj; cin>>obj; cout< cout< return 0; } #define PI 3.14 #include //抽象类 class CShape virtual float GetArea() =0 ;//纯虚函数 static int m_sCount ; CShape() {++m_sCount ; }static int ShowNum() {return m_sCount ; }}; class CSquare:public CShape {private: float m_Length; float GetArea() {return m_Length m_Height ; }} class CCircle:public CShape {public float GetArea() {return PI r r ; }} 写不动了 参见 class CPerson CString name; CString age; static int m_sCount; CPerson() {m_sCount = 0; }static int ShowNum() {return m_sCount; }}; class CStudent : public CPerson CStudent(pw.println(temp);) {CPerson::m_sCount++; }CStudent(CStudent& student) {this.name = student.name; this.age = student.age; {this.name = student.name; this.age = student.age; }}; class CTeacher :public CPerson CTeacher() {CPerson::m_sCount++; }CTeacher(CTeacher& teacher) {this.name = teacher.name; this.age = teacher.age; }}; class CStudentTeacher : public CStudent,public CTeacher {//自己根据需要再写写吧 } 功能不全，转载过来的。凑合着看吧，不要太紧张，好运！ 定义一个人员类CPerson,包括数据成员：姓名、编号、性别和用于输入、输出的成员函数。在此基础上派生出学生类CStudent（增加成绩）和教师类CTeacher（增加教龄），并实现对学生和教师信息的输入输出。 #include using std::cout; using std::cin; using std::endl; using std::ostream; using std::istream; class CPerson {private: enum { MaxSize = 10 }; char name[MaxSize]; char ID[MaxSize]; friend istream & operator >> (istream &in, CPerson &p); friend ostream & operator << (ostream &out,const CPerson &p); }; ostream & operator << (ostream &out,const CPerson &p) {cout << "name:" << p.name << "t" << "id:" << p.ID << "t" << ":" << (p.iale?"male":"female") ; return out; }istream & operator >> (istream &in, CPerson &p) {cout << "Please input the namen" ; in.getline(p.name,CPerson::MaxSize); cout << "Please input the idn" ; cout << "Please input the [male:1 female:0]:n" ; in >> p.iale ; return in; }class CStudent:public CPerson {private: double score; friend istream & operator >> (istream &in, CStudent &p); friend ostream & operator << (ostream &out,const CStudent &p); }; istream & operator >> (istream &in, CStudent &p) {operator >> (in, dynamic_cast cout << "Please input the scoren"; in >> p.score; return in; }ostream & operator << (ostream &out,const CStudent &p) out << "tthe score is:" << p.score; return out; }class CTeacher:public CPerson {private: int age; friend istream & operator >> (istream &in, CTeacher &p); friend ostream & operator << (ostream &out,const CTeacher &p); }; istream & operator >> (istream &in, CTeacher &p) {operator >> (in, dynamic_cast cout << "Please input the agen"; in >> p.age; return in; }ostream & operator << (ostream &out,const CTeacher &p) out << "tthe age is:" << p.age; return out; }void flushcin(istream &in) //清空输入流中的字符 {in.clear(); while ( in.get() != 'n' ) continue; }int main() {CPerson a; cin >> a; cout << a << endl; flushcin(cin); CStudent b; cin >> b; flushcin(cin); CTeacher c; cin >> c; cout << c << endl; return 0; } 想不出就别想了。闭上眼休息一下吧。考前不能这么紧张的。估计这种题在这么短的时间里想在这里找到很难。 这种题目也只有我们这些小菜鸟会理你了。素数楼上已经帮你写好了。我写了标题那个。有点多，不过挺好理解的我觉得。试过了能运行。 package myTest; import ja.io.BufferedReader; import ja.io.IOException; import ja.io.InputStream; import ja.io.InputStreamReader; import ja.util.ArrayList; class test {public static void main(String[] args) throws IOException {System.out.println("请输入您需要统计的数据，逗号隔开"); BufferedReader buf = new BufferedReader(new InputStreamReader(System.in)); String[] st = buf.readLine().trim().split(","); ArrayList ArrayList int sum=0; double g=0; int zeroNum=0; for(int i=0;i int number=Integer.parseInt(st[i]); if(number>0){ itive.add(number); }if(number<0){ negtive.add(number); }if(number==0){ zeroNum++; }sum+=number; }g=sum1.0/st.length; System.out.println("正数为："); for (int i=0;i System.out.print(itive.get(i)+"t"); }System.out.println(); System.out.println("负数为："); for (int i=0;i System.out.print(negtive.get(i)+"t"); }System.out.println(); System.out.prfloat m_Height ;intln("零的个数为："+zeroNum); System.out.println("和为："+sum); System.out.println("平均数为："+g); }} 判断素数 boolean isSushu（int num）｛ boolean bl=true; for(int i=2;i if(num%i==0){ bl=false;} }return bl; ｝快考试了，一道C++的题，跪求高手!4:30就考试了，急啊！
编程序常用英语单词是什么
in.getline(p.ID,CPerson::MaxSize);苹果长在树上用"on"还是"in",为什么?
public:快考试了，一道C++的题，跪求高手!4:30就考试了，急啊！
扩展资料ja编程：用户从键盘上输入10个数，分别统计正数、负数、零的个数、平均值、累加和。
on
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